Zonolite attic insulation exposure studies. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Zonolite attic insulation exposure studies

 
Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by WZonolite attic insulation exposure studies  Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U

3+ billion citations. R. R. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. R. It may have shiny flakes or small accordion-like pieces. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Grace sales reports, shipping papers, trial testimony and interviews with former Zonolite sales mangers support estimates ranging from 12 million to 35 million homes, offices and schools. R. 1 of 17 An attic shown with vermiculite insulation poured in between the joists. R. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. There were two general objectives for the pilot study: (1) obtain a rough estimate of amount of asbestos in attics having vermiculite attic. Grace. Zonolite Attic Insulation Exposure Studies William M. R. A range of. Longo, James R. Zonilite Attic Insulation (ZAI) is an exfoliated vermiculite material that originated from the previously described asbestos-contaminated mining site in Libby, MT. Abstract Several studies were designed and conducted to evaluate amphibole asbestos exposures in homes containing Zonolite (expanded vermiculite) attic insulation (ZAI). R. A member of the phyllosilicate group of minerals, it resembles mica in appearance. Asbestos Zonolite Insulation. S. . S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. R. Asbestos property damage claims other than for Zonolite Attic Insulation: Richard B. Canadians with the asbestos-contaminated insulation Zonolite in their homes are due a meagre settlement compared to their U. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. R. Montana Gov. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. When heated to a high temperature, flakes of vermiculite expand as much as 8-30 times their original size. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. The good news. 1); this study revealed a striking association of asbestosis mortality with levels of cumulative exposure and duration of exposure. R. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. R. Grace. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. R. The manual is a collection of air, biological, bioaerosol,. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. In order to be eligible for reimbursement a claimant must be able to show: That vermiculite is the Zonolite Brand. R. 160+ million publication pages. Millette's 6 research works with 44 citations and 737 reads, including: Zonolite Attic Insulation Exposure Studies James R. Watch on. R. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Photos of the Zonolite in the structure before removal For removal prior to 6/16/14, you may provide BEFORE and AFTER photos of the attic or other area in questions depicting the presence of the attic insulation and removal of ZAI . Grace. Ex-Worker Wins $36. The Trust is expected to operate for a minimum of 20 years. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Grace. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. A range of tasks selected for evaluation included. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. The Zonolite mine, then owned by W. Article CAS Google Scholar. com. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. R. NIOSH is also updating a study of vermiculite workers originally conducted in the 1980s. Several studies were designed and conducted to evaluate amphibole asbestos exposures in homes containing Zonolite (expanded vermiculite) attic insulation (ZAI). Like other asbestos trusts, the Grace trust only pays a percentage of claimant requests to. A trust fund was created with $3 billion to handle claims in. Grace Co. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Grace. However, if the vermiculite insulation contained asbestos fibres, these asbestos fibres are related to health issues if inhaled. In order to be eligible for reimbursement a claimant must be able to show: That vermiculite is the Zonolite Brand. We have a toddler so felt it was better to remove it than to leave it alone. R. Grace. 13 deaths) among 1672 Libby vermiculite workers during 1960–2001, for a SMR of 165. Final draft 21 May 2003. Grace. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Grace. Grace. R. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. [Congressional Record Volume 149, Number 22 (Thursday, February 6, 2003)] [Senate] [Pages S2037-S2044] From the Congressional Record Online through the Government Publishing Office [studies were designed and conducted to evaluate amphibole asbestos exposures in homes containing Zonolite (expanded vermiculite) attic insulation (ZAI). R. Several studies were designed and conducted to evaluate amphibole asbestos exposures in homes containing Zonolite (expanded vermiculite) attic insulation (ZAI). After removal and reinsulation (my state covered 75% of insulation costs), the reimbursement from the trust took about 6 months to pay out. R. as evidence of PID. Do whatever you want with a Attic Insulation Exposure StudiesRequest PDF: fill, sign, print and send online instantly. Recent findings about vermiculite ore contaminated with tremolite asbestos have caused. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. In a 2012 study, researchers tested vermiculite attic insulation in 40 homes. Asbestos-contaminated vermiculite attic insulation (VAI) produced from a mine near Libby, Montana, may be present in millions of homes along with other commercial asbestos. The Zonolite Attic Insulation Trust was established as part of a legal settlement with WR Grace to reimburse homeowners or renters for a portion of the money they have spent removing or replacing Zonolite brand vermiculite. The Zonolite Attic Insulation Trust was established in 2014 to help homeowners with the cost of removing Zonolite Attic Insulation from their homes. R. R. R. Several studies were designed and conducted to evalu- ate amphibole asbestos exposures in homes containing Zonolite (expanded vermiculite) attic insulation (ZAI). Grace. PILOT STUDY TO ESTIMATE ASBESTOS EXPOSURE from VERMICULITE ATTIC INSULATION Research Conducted in 2001 and 2002 Prepared for: Fibers and Organics Branch National Program Chemicals Division Office of Pollution Prevention and Toxics U. We searched for articles on non-occupational or. In order to be eligible for reimbursement a claimant must be able to show: That vermiculite is the Zonolite Brand. Grace. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. In a 1991 report, the EPA said that 188,000 people had been exposed to asbestos contaminated attic insulation, 32 million to garden fertilizer and 74 million to other vermiculite lawn products. The vermiculite insulation taken from this mine was contaminated. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Grace. The replacement pages are included. 3. Zonolite Plaster: Dry plaster compound used for reinforcement. However, the asbestos product may still be present in some homes. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Grace. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Call us today to schedule a consultation. Several studies were designed and conducted to evaluate amphibole asbestos exposures in homes containing Zonolite (expanded vermiculite) attic insulation (ZAI). R. Several studies were designed and conducted to evaluate amphibole asbestos exposures in homes containing Zonolite (expanded vermiculite) attic insulation (ZAI). 160+ million publication pages. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Grace. Those who suffered injury from personal exposure to Zononlite asbestos insulation or any other Grace asbestos products can obtain information about a separate fund by contacting Mark T. Another study found that, among houses with vermiculite attic insulation, only 26% had detectable levels of amphibole asbestos in their living spaces. You must also provide a Declaration of Authenticity (available on the website). Grace. Amphibole asbestos was present in all the insulation samples. Schiro 2706 Fairmount Street Dallas, Texas 75201-1958 - Source: Zonolite attic insulation exposure studies. Grace. More than 2,400 people in Libby — about half the city’s population — have fallen ill as a result of exposure to asbestos. 5 Million From Company That Hid Asbestos Damage. DOI: 10. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Sold under various brand names, such as Zonolite Attic Insulation, the insulation came in big bags. Grace. R. PILOT STUDY TO ESTIMATE ASBESTOS EXPOSURE from VERMICULITE ATTIC INSULATION Research Conducted in 2001 and 2002 Prepared for: Fibers and Organics Branch National Program Chemicals Division Office of Pollution Prevention and Toxics U. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Grace. R. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. com. R. Grace. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. has more recently established the Zonolite Attic Insulation Trust, a fund for reimbursing costs to remove Zonolite brand vermiculite insulation from homes and commercial properties. Zonolite attic insulation exposure studies. However, if the vermiculite insulation contained asbestos fibres, these asbestos fibres are. On any device & OS. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. R. R. In order to be eligible for reimbursement a claimant must be able to show: That vermiculite is the Zonolite Brand. 10. R. Vermiculite insulation exposure levels in residential buildings: What are reasonable risk assessments for people exposed to vermiculite insulation in residential buildings. Environmental Protection Agency, Washington,D. R. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Everything I’ve learned about vermiculite attic insulation r/homeowners • 1 You seem very knowledgeable about this subject so i thought that i would share a really interesting research paper i came across describing the relative exposure levels of different activities in an attic insulated with Vermiculite. 8 (95% CI 103. In its pure form, vermiculite is clean, odorless, nontoxic and sterile. R. In our article above we report in detail on the occurrence of asbestos in Zonolite Attic Insulation (ZAI) produced by the Zonolite Company and by its successor owner- W. In 2023, Grace agreed to an to restore damaged lands in and around the Superfund site. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. R. Grace. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Irritancy of ProductThis website requires cookies, and the limited processing of your personal data in order to function. Grace. R. The former Zonolite facility in Easthampton, Massachusetts, was an exfoliation plant operated by W. Many of the asbestos-containing products produced by W. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. 9 KB) Vermiculite is a naturally occurring mineral that was used as a household insulation product from 1940 to the 1990s. Another study found that, among houses with vermiculite attic insulation, only 26% had detectable levels of amphibole asbestos in their living spaces. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. The verdict was the first of hundreds of cases pending against the company hired to oversee medical care and safety for workers. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Several studies were designed and conducted to evaluate amphibole asbestos exposures in homes containing Zonolite (expanded. R. Photos of the Zonolite in the structure before removal For removal prior to 6/16/14, you may provide BEFORE and AFTER photos of the attic or other area in questions depicting the presence of the attic insulation and removal of ZAI . S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Several studies were designed and conducted to evaluate amphibole asbestos exposures in homes containing Zonolite (expanded vermiculite) attic insulation (ZAI). Check out the video clip below for the highlights: Zonolite Super 40: Type of spray insulation used for interior surfacing, commonly used as attic insulation. Zonolite® and was extracted from the Libby Mine in Montana, USA. The Zonolite Attic Insulation Trust (ZAI Trust) was created to help educate the public about the possible health effects of asbestos-containing vermiculite and to provide partial reimbursement for ZAI removal to qualified claimants. 1179/oeh. In this release (“ National Consumer Awareness Campaign Launched on Vermiculite Insulation Used in Some Attics ”), the EPA states that “… home testing vermiculite in. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. You must also provide a Declaration of Authenticity (available on the website). Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Grace. 3 During each year of the 1970s alone approximately 53,000 tons of vermiculite were installed into US homes, according to James R. The fie. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. In order to be eligible for reimbursement a claimant must be able to show: That vermiculite is the Zonolite Brand. Zonolite attic insulation exposure studies. When these tiny fibers become airborne, they can be inhaled into the lungs, where they might eventually cause asbestosis, lung cancer, and even the deadly asbestos cancer mesothelioma. over Zonolite Attic Insulation, an asbestos-tainted product installed in millions of. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Currently, inspectors must send samples to off-site laboratories before. December 17, 2006. R. Abstract forZonolite Attic Insulation Exposure Studies | References | PDF (422. Cumulative asbestos exposure levels. For years, Zonolite was used in the insulation of homes throughout the United. R. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. R. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. R. as evidence of PID. W. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Popular within the construction industry because it was lightweight and fire-resistant, Zonolite insulation was installed in millions of homes throughout the United. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. g. Grace. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. It’s defined by chronic scarring, which can lead to long-term respiratory. R. 3. In a different study, 29% of homes with vermiculite had very low levels of detectable Libby amphibole, similar to normal outdoor background concentrations. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Zonolite attic insulation exposure studies. Grace. Grace. 2010. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. R. While not all vermiculite produced before 1990 contains asbestos fibres, it is reasonable to. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Randolph. Ewing WM, Hays SM, Hatfield R, et al. Zonolite Purchase 2 Ways of Providing Payment: 1. Grace & Company (WRG). The Good News. If asbestos exposure can be proven, claims will be paid based on the level of disease. One such trust is the Zonolite Attic Insulation Trust, which reimburses homeowners for a portion of the abatement of vermiculite insulation manufactured by W. If you are planning remodeling or other building activity that requires actual removal of asbestos-containing vermiculite insulation, The Zonolite Attic Insulation Trust was established to provide some financial help with the cost of removing Zonolite Attic Insulation. Grace. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. This is a photo of Zonolite vermiculite from a Canadian government agency. Grace. Grace. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Grace. Grace. R. Thousands of workers and residents have been exposed to the dangerous material. 20460 HVAC Mechanics and Mesothelioma. S. R. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Abstract. Consisting of the naturally occurring mineral vermiculite, Zonolite was used for decades to insulate millions of American homes. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. R. Asbestos-contaminated vermiculite attic insulation (VAI) produced from a mine near Libby, Montana, may be present in millions of homes along with other commercial asbestos-containing materials (ACM). Hazardous Products. Grace. Grace. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. A range of tasks. For this reason, using the attic vents to install the new insulation is an excellent idea. The Zonolite Attic Insulation Trust (ZAI Trust) was created to help educate the public about the possible health effects of asbestos-containing vermiculite and to provide partial reimbursement for ZAI removal to qualified claimants. R. R. R. Report includes general guidelines for limiting asbestos exposure when working with contaminated vermiculite. Grace. The recent innovation should provide a time-saving technique for commercial and home inspectors. 279 [Google Scholar] 38. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. A range of tasks selected. Approximately, 75% of the vermiculite used in homes is the Zonolite Brand. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. 2255 [email protected] market, is well known to contain small quantities of hazardous amphibole (a mineral source. Grace. R. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. A range of. In our article above we report in detail on the occurrence of asbestos in Zonolite Attic Insulation (ZAI) produced by the Zonolite Company and by its successor owner- W. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Grace were focused on providing durability, insulation and fire protection to structures. Grace. This exposed workers in the plants. 2 One of the major uses of Zonolite was loose-fill insulation in attics of homes. Grace. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Asbestos insulation is one of the largest sources of asbestos exposure. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Schiro, Trustee Law Offices of Richard B. R. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. 3320/1. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. R. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Risk of cancer associated with residential exposure to asbestos insulation: a whole-population cohort study. Mr. 20460> [1] Thanks to Gary Randolph, Ounce of Prevention Home Inspection, LLC Buffalo, NY, for attentive reading and editing suggestions. December 17, 2006. Grace. Original Zonolite Branded Bag Photos or Original Zonolite Bag (See Part III of. 17 Studies of occupational exposure have consistently confirmed increased risk from CSE MISC at The Hong Kong Polytechnic University. Zonolite. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. In May 2003, EPA released information indicating that vermiculite contaminated with traces, less than 1% asbestos, is of significant concern. No paper. 844. Grace made asbestos products and faced litigation that caused it to go bankrupt. Grace. D MAS, LLC 3945 Lakefield Court Suwanee, Georgia 30024 Work Telephone: (770) 866-3200 EDUCATION October 1980 to Received Doctor of Philosophy in Materials Science and Current approaches being used by Grantees and Subgrantees to weatherize homes with existing vermiculite insulation were identified as part of the development of this experimental plan based on a review of Grantee Health and Safety Plans and communications with weatherization program staff from seven states. R. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. R. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Securely download your document with other editable templates, any time, with PDFfiller. Much of the vermiculite from the mine near Libby was used in the manufacture of Zonolite™ Attic Insulation. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. R. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Ewing, Steve M. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. . Several studies were designed and conducted to evaluate amphibole asbestos exposures in homes containing Zonolite (expanded vermiculite) attic insulation (ZAI). R. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Grace. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. ObjectiveThis report. There were two general objectives for the pilot study: (1) obtain a rough estimate of amount of asbestos in attics having vermiculite attic insulation; and (2) obtain a rough The EPA says that vermiculite insulation, which is the pebbly stuff found in attics of many older homes, is only risky if it contains more than one percent asbestos. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. R. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Other than. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. That study found significant excesses of asbestosis and. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Several studies were designed and conducted to evaluate amphibole asbestos exposures in homes containing Zonolite (expanded vermiculite) attic insulation (ZAI).